52 entries under noun topic. ×

10
valley(hollow, gorge, vale, bottom land)
8
bog(swamp, marsh, bottom land)
7
fen
7
swamp(flat, plain, valley, quagmire)
5
flat(adjective, plain, valley, sunken)
4
marsh
4
basin(gorge, vale)
4
plain(flat, gorge, basin, valley)
4
prairie
4
steppe
3
champaign
3
grassland
3
heath
3
moor(flat, marsh)
3
pampas
3
savanna
3
tundra
2
depression(gorge, vale)
2
desert
2
flatland
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APASmart Define. (2016). lowland thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/lowland/thesaurus/synonyms
ChicagoSmart Define. 2016. "lowland thesaurus" https://smartdefine.org/lowland/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, lowland thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/lowland/thesaurus/synonyms>.
MLASmart Define. "lowland thesaurus" 1 March 2016. Web. 29 September 2026. <https://smartdefine.org/lowland/thesaurus/synonyms>